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  1. Article
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    Software and computing for Run 3 of the ATLAS experiment at the LHC

    The ATLAS experiment has developed extensive software and distributed computing systems for Run 3 of the LHC. These systems are described in detail,...

    G. Aad, E. Aakvaag, ... L. Zwalinski in The European Physical Journal C
    06 March 2025 Open access
  2. Article
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    Search for diphoton resonances in the 66 to 110 GeV mass range using pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector

    A search is performed for light, spin-0 bosons decaying into two photons in the 66 to 110 GeV mass range, using 140 fb 1 of proton-proton collisions...

    G. Aad, B. Abbott, ... L. Zwalinski in Journal of High Energy Physics
    08 January 2025 Open access
  3. Article
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    Operation and performance of the ATLAS tile calorimeter in LHC Run 2

    The ATLAS tile calorimeter (TileCal) is the hadronic sampling calorimeter covering the central region of the ATLAS detector at the Large Hadron...

    G. Aad, B. Abbott, ... L. Zwalinski in The European Physical Journal C
    24 December 2024 Open access
  4. Article
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    Measurement of the W-boson mass and width with the ATLAS detector using proton–proton collisions at \(\sqrt{s}=7\) TeV

    Proton–proton collision data recorded by the ATLAS detector in 2011, at a centre-of-mass energy of 7 TeV, have been used for an improved...

    G. Aad, E. Aakvaag, ... L. Zwalinski in The European Physical Journal C
    21 December 2024 Open access
  5. Article
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    Search for new particles in events with a hadronically decaying W or Z boson and large missing transverse momentum at \( \sqrt{s} \) = 13 TeV using the ATLAS detector

    A search is presented for new particles produced in proton-proton collisions at a centre-of-mass energy of 13 TeV that result in final states...

    G. Aad, E. Aakvaag, ... L. Zwalinski in Journal of High Energy Physics
    22 November 2024 Open access
  6. Article
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    Observation of \( t\overline{t} \) production in the lepton+jets and dilepton channels in p+Pb collisions at \( \sqrt{s_{\textrm{NN}}} \) = 8.16 TeV with the ATLAS detector

    This paper reports the observation of top-quark pair production in proton-lead collisions in the ATLAS experiment at the Large Hadron Collider. The...

    G. Aad, E. Aakvaag, ... L. Zwalinski in Journal of High Energy Physics
    19 November 2024 Open access
  7. Article
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    Interpretations of the ATLAS measurements of Higgs boson production and decay rates and differential cross-sections in pp collisions at \( \sqrt{s} \) = 13 TeV

    Measurements of the Higgs boson production times decay rates and differential cross-sections have recently been performed by the ATLAS experiment in...

    G. Aad, B. Abbott, ... L. Zwalinski in Journal of High Energy Physics
    15 November 2024 Open access
  8. Article
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    Search for a resonance decaying into a scalar particle and a Higgs boson in the final state with two bottom quarks and two photons in proton–proton collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector

    A search for the resonant production of a heavy scalar X decaying into a Higgs boson and a new lighter scalar S , through the process X S (→ ...

    G. Aad, E. Aakvaag, ... L. Zwalinski in Journal of High Energy Physics
    07 November 2024 Open access
  9. Article
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    Precise measurements of W- and Z-boson transverse momentum spectra with the ATLAS detector using pp collisions at \(\sqrt{s} = 5.02\) TeV and 13 TeV

    This paper describes measurements of the transverse momentum spectra of W and Z bosons produced in proton–proton collisions at centre-of-mass...

    G. Aad, B. Abbott, ... L. Zwalinski in The European Physical Journal C
    30 October 2024 Open access
  10. Article
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    Measurements of inclusive and differential cross-sections of \( t\overline{t}\gamma \) production in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector

    Inclusive and differential cross-sections are measured at particle level for the associated production of a top quark pair and a photon ( ...

    G. Aad, E. Aakvaag, ... L. Zwalinski in Journal of High Energy Physics
    25 October 2024 Open access
  11. Article
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    Constraints on simplified dark matter models involving an s-channel mediator with the ATLAS detector in pp collisions at \(\sqrt{s} = 13\) TeV

    This paper reports a summary of searches for a fermionic dark matter candidate in the context of theoretical models characterised by a mediator...

    G. Aad, E. Aakvaag, ... L. Zwalinski in The European Physical Journal C
    24 October 2024 Open access
  12. Article
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    Search for heavy resonances in final states with four leptons and missing transverse momentum or jets in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector

    A search for a new heavy boson produced via gluon-fusion in the four-lepton channel with missing transverse momentum or jets is performed. The search...

    G. Aad, E. Aakvaag, ... L. Zwalinski in Journal of High Energy Physics
    17 October 2024 Open access
  13. Article
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    Fiducial and differential cross-section measurements of electroweak \(W\gamma jj\) production in pp collisions at \(\sqrt{s} = 13\) TeV with the ATLAS detector

    The observation of the electroweak production of a W boson and a photon in association with two jets, using pp collision data at the Large Hadron...

    G. Aad, E. Aakvaag, ... L. Zwalinski in The European Physical Journal C
    15 October 2024 Open access
  14. Article
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    Measurements of the production cross-section for a Z boson in association with b- or c-jets in proton–proton collisions at \(\sqrt{s} = 13\) TeV with the ATLAS detector

    This paper presents a measurement of the production cross-section of a Z boson in association with b - or c -jets, in proton–proton collisions at ...

    G. Aad, E. Aakvaag, ... L. Zwalinski in The European Physical Journal C
    27 September 2024 Open access
  15. Article
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    Observation of quantum entanglement with top quarks at the ATLAS detector

    Entanglement is a key feature of quantum mechanics 1 3 , with applications in fields such as metrology, cryptography, quantum information and quantum...

    G. Aad, B. Abbott, ... L. Zwalinski in Nature
    18 September 2024 Open access
  16. Article
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    Differential cross-sections for events with missing transverse momentum and jets measured with the ATLAS detector in 13 TeV proton-proton collisions

    Measurements of inclusive, differential cross-sections for the production of events with missing transverse momentum in association with jets in...

    G. Aad, E. Aakvaag, ... L. Zwalinski in Journal of High Energy Physics
    28 August 2024 Open access
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